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condition-manager.go
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condition-manager.go
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package conditionmanager
import (
installationv1alpha1 "github.com/kyma-project/kyma/components/installer/pkg/apis/installer/v1alpha1"
installationClientset "github.com/kyma-project/kyma/components/installer/pkg/client/clientset/versioned"
listers "github.com/kyma-project/kyma/components/installer/pkg/client/listers/installer/v1alpha1"
"github.com/kyma-project/kyma/components/installer/pkg/consts"
"k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/util/retry"
)
// Interface .
type Interface interface {
InstallStart() error
InstallSuccess() error
InstallError() error
UpdateStart() error
UpdateSuccess() error
UpdateError() error
UninstallStart() error
UninstallSuccess() error
UninstallError() error
}
type impl struct {
lister listers.InstallationLister
client installationClientset.Interface
}
func (cm *impl) InstallStart() error {
installation, err := cm.getInstallation()
if err != nil {
return err
}
cm.setCondition(installation, installationv1alpha1.CondtitionInstalled, v1.ConditionFalse)
cm.setCondition(installation, installationv1alpha1.ConditionInstalling, v1.ConditionTrue)
cm.setCondition(installation, installationv1alpha1.ConditionInProgress, v1.ConditionTrue)
cm.setCondition(installation, installationv1alpha1.ConditionError, v1.ConditionFalse)
err = cm.update(installation)
if err != nil {
return err
}
return nil
}
func (cm *impl) InstallSuccess() error {
installation, err := cm.getInstallation()
if err != nil {
return err
}
cm.setCondition(installation, installationv1alpha1.CondtitionInstalled, v1.ConditionTrue)
cm.setCondition(installation, installationv1alpha1.ConditionInstalling, v1.ConditionFalse)
cm.setCondition(installation, installationv1alpha1.ConditionInProgress, v1.ConditionFalse)
cm.setCondition(installation, installationv1alpha1.ConditionUpdated, v1.ConditionFalse)
cm.setCondition(installation, installationv1alpha1.ConditionUninstalled, v1.ConditionFalse)
cm.setCondition(installation, installationv1alpha1.ConditionError, v1.ConditionFalse)
err = cm.update(installation)
if err != nil {
return err
}
return nil
}
func (cm *impl) InstallError() error {
installation, err := cm.getInstallation()
if err != nil {
return err
}
cm.setCondition(installation, installationv1alpha1.CondtitionInstalled, v1.ConditionUnknown)
cm.setCondition(installation, installationv1alpha1.ConditionInstalling, v1.ConditionFalse)
cm.setCondition(installation, installationv1alpha1.ConditionInProgress, v1.ConditionFalse)
cm.setCondition(installation, installationv1alpha1.ConditionError, v1.ConditionTrue)
err = cm.update(installation)
if err != nil {
return err
}
return nil
}
func (cm *impl) UpdateStart() error {
installation, err := cm.getInstallation()
if err != nil {
return err
}
cm.setCondition(installation, installationv1alpha1.ConditionUpdating, v1.ConditionTrue)
cm.setCondition(installation, installationv1alpha1.ConditionInProgress, v1.ConditionTrue)
cm.setCondition(installation, installationv1alpha1.ConditionError, v1.ConditionFalse)
err = cm.update(installation)
if err != nil {
return err
}
return nil
}
func (cm *impl) UpdateSuccess() error {
installation, err := cm.getInstallation()
if err != nil {
return err
}
cm.setCondition(installation, installationv1alpha1.ConditionUpdated, v1.ConditionTrue)
cm.setCondition(installation, installationv1alpha1.ConditionUpdating, v1.ConditionFalse)
cm.setCondition(installation, installationv1alpha1.ConditionInProgress, v1.ConditionFalse)
cm.setCondition(installation, installationv1alpha1.ConditionError, v1.ConditionFalse)
err = cm.update(installation)
if err != nil {
return err
}
return nil
}
func (cm *impl) UpdateError() error {
installation, err := cm.getInstallation()
if err != nil {
return err
}
cm.setCondition(installation, installationv1alpha1.ConditionUpdated, v1.ConditionFalse)
cm.setCondition(installation, installationv1alpha1.ConditionUpdating, v1.ConditionFalse)
cm.setCondition(installation, installationv1alpha1.ConditionInProgress, v1.ConditionFalse)
cm.setCondition(installation, installationv1alpha1.ConditionError, v1.ConditionTrue)
err = cm.update(installation)
if err != nil {
return err
}
return nil
}
func (cm *impl) UninstallStart() error {
installation, err := cm.getInstallation()
if err != nil {
return err
}
cm.setCondition(installation, installationv1alpha1.ConditionUninstalling, v1.ConditionTrue)
cm.setCondition(installation, installationv1alpha1.ConditionInProgress, v1.ConditionTrue)
cm.setCondition(installation, installationv1alpha1.ConditionError, v1.ConditionFalse)
err = cm.update(installation)
if err != nil {
return err
}
return nil
}
func (cm *impl) UninstallSuccess() error {
installation, err := cm.getInstallation()
if err != nil {
return err
}
cm.setCondition(installation, installationv1alpha1.ConditionUpdated, v1.ConditionFalse)
cm.setCondition(installation, installationv1alpha1.ConditionUpdating, v1.ConditionFalse)
cm.setCondition(installation, installationv1alpha1.ConditionUninstalling, v1.ConditionFalse)
cm.setCondition(installation, installationv1alpha1.ConditionUninstalled, v1.ConditionTrue)
cm.setCondition(installation, installationv1alpha1.CondtitionInstalled, v1.ConditionFalse)
cm.setCondition(installation, installationv1alpha1.ConditionInstalling, v1.ConditionFalse)
cm.setCondition(installation, installationv1alpha1.ConditionInProgress, v1.ConditionFalse)
cm.setCondition(installation, installationv1alpha1.ConditionError, v1.ConditionFalse)
err = cm.update(installation)
if err != nil {
return err
}
return nil
}
func (cm *impl) UninstallError() error {
installation, err := cm.getInstallation()
if err != nil {
return err
}
cm.setCondition(installation, installationv1alpha1.ConditionUninstalling, v1.ConditionFalse)
cm.setCondition(installation, installationv1alpha1.ConditionUninstalled, v1.ConditionFalse)
cm.setCondition(installation, installationv1alpha1.ConditionInProgress, v1.ConditionFalse)
cm.setCondition(installation, installationv1alpha1.ConditionError, v1.ConditionTrue)
err = cm.update(installation)
if err != nil {
return err
}
return nil
}
func (cm *impl) getInstallation() (*installationv1alpha1.Installation, error) {
installation, err := cm.lister.Installations(consts.InstNamespace).Get(consts.InstResource)
if err != nil {
return nil, err
}
return installation.DeepCopy(), nil
}
func (cm *impl) getOrCreateCondition(installation *installationv1alpha1.Installation, conditionType installationv1alpha1.InstallationConditionType) *installationv1alpha1.InstallationCondition {
condition := cm.getCondition(installation, conditionType)
if condition != nil {
return condition
}
cm.createCondition(installation, conditionType)
return cm.getOrCreateCondition(installation, conditionType)
}
func (cm *impl) getCondition(installation *installationv1alpha1.Installation, conditionType installationv1alpha1.InstallationConditionType) *installationv1alpha1.InstallationCondition {
for i := 0; i < len(installation.Status.Conditions); i++ {
if installation.Status.Conditions[i].Type != conditionType {
continue
}
return &installation.Status.Conditions[i]
}
return nil
}
func (cm *impl) createCondition(installation *installationv1alpha1.Installation, conditionType installationv1alpha1.InstallationConditionType) {
condition := &installationv1alpha1.InstallationCondition{
Type: conditionType,
Status: v1.ConditionUnknown,
}
installation.Status.Conditions = append(installation.Status.Conditions, *condition)
}
func (cm *impl) setCondition(installation *installationv1alpha1.Installation, conditionType installationv1alpha1.InstallationConditionType, status v1.ConditionStatus) {
condition := cm.getOrCreateCondition(installation, conditionType)
if condition.Status != status {
condition.Status = status
condition.LastTransitionTime = metav1.Now()
}
condition.LastProbeTime = metav1.Now()
}
func (cm *impl) update(installation *installationv1alpha1.Installation) error {
retryErr := retry.RetryOnConflict(retry.DefaultRetry, func() error {
instObj, getErr := cm.lister.Installations(consts.InstNamespace).Get(consts.InstResource)
if getErr != nil {
return getErr
}
installationCopy := instObj.DeepCopy()
installationCopy.Status.Conditions = installation.Status.Conditions
_, updateErr := cm.client.InstallerV1alpha1().Installations(consts.InstNamespace).Update(installationCopy)
return updateErr
})
if retryErr != nil {
return retryErr
}
return nil
}
// New .
func New(installationClient installationClientset.Interface, installationLister listers.InstallationLister) Interface {
return &impl{
client: installationClient,
lister: installationLister,
}
}